4.5" (D) X 20" (L) Specialty Filters

20" Iron Removal Specialty Filter

Easily and effectively reduces iron in water. Improves flavor and reduces the metallic taste caused by iron.

Helps to eliminate the orange and brown stains in sinks, toilets and tubs etc.. Reduces the possibility of pipe and water heater damage caused by dissolved iron.

This 20" filter fits in all 20" BIG Housings, BIG DUO or BIG TRIO housing sets.

20" Oil Adsorbing Specialty Filter

Highly efficient and effective in removing dissolved & dispersed oils from water within the gas & oil production industries, marine bilge and ballast water treatment systems, contaminated surface water run off & other industrial process industries.

This 20" filter fits in all 20" BIG Housings, BIG DUO or BIG TRIO housing sets.

20'' Lead, Cyst & Chlorine Removal Specialty Filter

With 0.5 Micron, this filter effectively reduces lead, cyst, turbidity and chlorine by utilizing activated carbon, ion-exchange & particulate filtration.

This 20" filter fits in all 20" BIG Housings, BIG DUO or BIG TRIO housing sets

20'' Chloramine Removal Specialty Filter

10 micron Chloramine uses advanced catalytic granular activated carbon (GAC) to effectively remove Hydrogen Sulfide & Chloramines to eliminate unpleasant taste and pungent odor. This long lasting cartridge can treat water at a very fast flow rate with low to no pressure drop (<0.12 psi).

This 20" filter fits in all 20" BIG Housings, BIG DUO or BIG TRIO housing sets.

20'' Calcite Low pH Acid Neutralizing Specialty Filter

10 micron Calcite Low pH Acid Neutralizing Filter utilizes calcite media to neutralize low pH conditions and to re-mineralize acidic water that is low in minerals.

This 20" filter fits in all 20" BIG Housings, BIG DUO or BIG TRIO housing sets.

20'' Fluoride Reduction Specialty Filter

10 micron Fluoride Reduction filter uses premium grade activated alumina media to effectively remove fluoride from the water.

Provides comprehensive protection from fluoride exposure in your water.

This 20" filter fits in all 20" BIG Housings, BIG DUO or BIG TRIO housing sets.

20'' KDF55 / Granular Activated Carbon Filter

10 micron KDF55 / Granular Activated Carbon filter specializes in the removal or reduction of inorganics, heavy metals and chlorine while the granular coconut shell activated carbon reduces organic compounds.

This 20" filter fits in all 20" BIG Housings, BIG DUO or BIG TRIO housing sets.

20'' KDF 85 /Granular Activated Carbon Filter

10 micron KDF 85 /Granular Activated Carbon Filter w/KDF media specializes in the reduction of iron, hydrogen sulfide, and chlorine while the granular coconut shell activated carbon reduces organic compounds.

This 20" filter fits in all 20" BIG Housings, BIG DUO or BIG TRIO housing sets.